import numpy as np
project_name=__name__.split('.')[-1]
t_array_target=np.array([0.0, 2.0, 8.0, 100.0, 101.0])
p_array_target=np.array([8e6, 25e6, 8e6, 8e6, 0.0]) 
cstar = 1580
rho = 1780
n = 0.35
At = 0.001